/*
 * @Description: 
 * @Author: Aroma
 * @Date: 2024-09-19 20:06:42
 * @LastEditors: Aroma
 * @LastEditTime: 2024-09-19 20:06:45
 * @别瞎看: 你个无脑牛马
 */
class Ball{
    public void play(){
        System.out.println("Playing with a genric ball");
    }
}